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Canon I-sensys mf4370dn User Manual

Canon I-sensys mf4370dn
182 pages
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Aug 22 2008
Service Manual
MF4300 Series

Table of Contents

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Canon I-sensys mf4370dn Specifications

General IconGeneral
Print TechnologyLaser
Duplex PrintingYes
Fax Modem Speed33.6 Kbps
ConnectivityUSB 2.0, Ethernet
Paper Capacity250 sheets
Copy Resolution600 x 600 dpi
Standard Output Capacity100 sheets
Maximum ISO A-series Paper SizeA4
Internal Memory64 MB
FunctionsPrint, Copy, Scan, Fax
Print Resolution1200 x 600 dpi
Scan Resolution600 x 600 dpi
ScanningColor scanning
Scan TypeFlatbed, ADF
Fax Memory256 pages
Fax Transmission Speed3 seconds per page
Operating System CompatibilityWindows, Mac

Summary

Canon MF4300 Series Introduction and Specifications

Product Specifications Overview

Details machine specifications, including parts identification, safety, and functional data.

Safety Guidelines and Precautions

Covers laser safety, regulatory compliance, toner handling, and fire safety measures.

Technical Specifications Summary

Outlines host machine, ADF/DADF, and FAX specific technical data.

Functionality Range Details

Specifies scanning, recording ranges, and operational environments for various functions.

Canon MF4300 Series Basic Operation and Construction

System Construction and Function Configuration

Describes the machine's functional blocks and their configuration.

Basic Operation Sequences

Explains the core operational intervals and sequences of the machine.

Canon MF4300 Series Original Exposure System

Original Exposure System Construction

Details the basic construction and major components of the original exposure system.

Parts Replacement Procedures (Exposure System)

Provides step-by-step instructions for replacing key components like the scanner unit and reader motor.

Canon MF4300 Series Original Feeding System

Original Feeding System Operation

Explains the basic operation of the ADF and DADF for feeding originals.

Jam Detection and Handling

Details how jams are detected and the procedures for releasing them.

ADF/DADF Component Replacement

Guides on removing and replacing parts like pickup rollers, motors, and separation pads.

Canon MF4300 Series Laser Exposure System

Laser Exposure System Overview

Describes the components and working principle of the laser scanner assembly.

Laser Control Mechanisms

Explains laser activation timing, intensity control, and scanner motor operation.

Laser Scanner Unit Replacement

Provides instructions for preparing and removing the laser scanner unit.

Canon MF4300 Series Image Formation Process

Image Formation System Configuration

Outlines the components and print process of the image formation system.

High-Voltage System Control

Details the generation and control of transfer charging bias for image transfer.

Toner Cartridge Level Monitoring

Explains how the machine detects the remaining toner level.

Transfer Charging Roller Replacement

Guides on removing and replacing the transfer charging roller.

Canon MF4300 Series Pickup and Feed System

Pickup and Feed System Overview

Describes the paper pickup and feeding mechanism and its components.

Jam Detection Logic

Details the logic for detecting various types of paper jams.

Duplex Unit Operation

Explains the operation of the duplexing unit for double-sided printing.

Pickup/Feed System Component Replacement

Provides procedures for replacing main motor, separation pad, and pickup roller.

Canon MF4300 Series Fixing System

Fixing System Overview and Specifications

Details the fixing unit's components, method, and control functions.

Fixing Temperature Control Mechanisms

Explains how the fixing unit's temperature is controlled and managed.

Fixing System Protection Functions

Describes the safety mechanisms to prevent fixing heater runaway.

Fixing Unit and Film Unit Replacement

Guides on replacing the fixing assembly and the fixing film unit.

Canon MF4300 Series External Components and Controls

Control Panel and Power Supply Overview

Describes the control panel layout and the power supply system.

Protection Functions (Power Supply)

Details the overcurrent/overvoltage protection mechanisms of the power supply.

External Component Replacement Procedures

Provides instructions for removing covers, panels, and PCBs like SCNT and DCNT boards.

Canon MF4300 Series Maintenance and Cleaning

Periodically Replaced Parts and Service Items

Lists parts requiring periodic replacement and service items, noting none are specified.

Cleaning Procedures and Guidelines

Details cleaning items, methods for external covers, reader units, and pressure rollers.

Canon MF4300 Series Measurement and Adjustments

Basic Adjustment Procedures

Covers paper margin, reading, and print adjustments.

Canon MF4300 Series Electrical Components and Fault Correction

Electrical Component Identification

Lists solenoids, motors, sensors, and PCBs used in the machine.

Canon MF4300 Series Error Code Reference

Error Code Explanation and Categories

Outlines how error codes are used and categorizes them into system, scanner, printer, and communication errors.

Detailed Error Code List

Provides a comprehensive list of error codes, their causes, and remedies.

Canon MF4300 Series Service Mode Operations

Service Data and Mode Activation

Explains how to access and set service data, including menus and activation flow.

Service Soft Switch (SSSW) Settings

Details various soft switch settings and their functions for system configuration.

Test Mode Procedures

Guides on operating test modes like print pattern tests, sensor tests, and key tests.

Canon MF4300 Series Service Tools and Consumables

Service Tools and Lubricants Table

Lists recommended solvents, lubricants, and their applications for machine maintenance.

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